Medicare turned 45 this week, not old enough to qualify for benefits, and the DNC celebrated with a little video bloviating. The smug tone is undeserved. Lyndon Johnson and Harry Truman believed that they were taking only the first modest step toward affordable universal health care, toward Medicare For All. They never imagined a day would come when the Democratic Party would pat itself on the back for delivering the American people into the clutches of the for-profit insurance industry.